Multiple function driver circuit

Details Multiple function driver circuit Multiple function driver circuit

1988-02-05

1989-04-11

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

307157, 315323, 361191, H02V 902

Patent

active

048209350

ABSTRACT:
An integrated circuit for driving five external signalling components such as four LEDs and a piezo horn. The integrated circuit includes three pairs of series connected transistors, each pair being connected in parallel to one another. Only three terminals are required for controlling the four LEDs and piezo horn.

REFERENCES:
patent: 3864606 (1975-02-01), Watrous
patent: 3895265 (1975-07-01), Watrous
patent: 4045683 (1977-08-01), Erickson
patent: 4262320 (1981-04-01), Herron
patent: 4494049 (1985-01-01), Leitgeb
patent: 4511827 (1985-04-01), Morinaga et al.
patent: 4550659 (1985-11-01), Yamanaga
patent: 4583028 (1986-04-01), Angersbach et al.
patent: 4639735 (1987-01-01), Yamamoto et al.
patent: 4700116 (1987-10-01), Inoue et al.

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